#include <socket/hostent.hpp>

WORD HostEnt::hostByName(const String &hostName)
{
	struct hostent *lpHostEnt;

	if(0==(lpHostEnt=::gethostbyname((LPSTR)hostName)))return FALSE;
	if(AddressTypeInternet!=(AddressType)lpHostEnt->h_addrtype)return FALSE;
	pureName(lpHostEnt->h_name);
	pureAliases(lpHostEnt->h_aliases);
	pureAddressType(lpHostEnt->h_addrtype);
	pureLength(lpHostEnt->h_length);
	pureAddressList(lpHostEnt->h_addr_list);
	return TRUE;
}

WORD HostEnt::hostByAddress(const InternetAddress &hostAddress)
{
	struct hostent *lpHostEnt=0;

  try{lpHostEnt=::gethostbyaddr((char*)&((in_addr&)hostAddress),sizeof(in_addr),AddressTypeInternet);}
	catch(...){return FALSE;}
	if(!lpHostEnt)return FALSE;
//	if(0==(lpHostEnt=::gethostbyaddr((char*)&((in_addr&)hostAddress),sizeof(in_addr),AddressTypeInternet)))return FALSE;
	pureName(lpHostEnt->h_name);
//	pureAliases(lpHostEnt->h_aliases);
	pureAddressType(lpHostEnt->h_addrtype);
	pureLength(lpHostEnt->h_length);
	pureAddressList(lpHostEnt->h_addr_list);
	return TRUE;
}

void HostEnt::pureAliases(char **lpPureAliases)
{
	mAliasNames.remove();
	if(!lpPureAliases)return;
	while(*(lpPureAliases))
	{
		mAliasNames.insert(&String(*lpPureAliases));
    lpPureAliases++;
	}
}

void HostEnt::pureAddressList(char **lpPureAddressList)
{
	struct in_addr *lpInAddr;
	mAddressList.remove();
	while(0!=(lpInAddr=(struct in_addr*)*lpPureAddressList++))
		mAddressList.insert(&InternetAddress(*lpInAddr));
}